<div ng-controller="PanelDemoToolsCtrl as pc">
    <wi-panel heading="PANEL TEST ONE"
              head-tools="['collapse','close']">
        <p>系统工具：折叠，关闭</p>
    </wi-panel>
    <br />
    <wi-panel heading="PANEL TEST TWO"
              head-tools="headtools">
        <p>系统工具：折叠</p>
        <p>自定义工具：保存</p>
    </wi-panel>
</div>